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Rear Differential Oil
Going to put a new gasket on my rear diff on my 71 C10 307 V8 Automatic. Leaking pretty bad and I don't know the history so I figured I'd fresh'n it up. What are the specs on the gear oil, 75W-90, ... etc? Non synthetic I assume.
Service manual says GL5, not sure what that translates to in a 75w, 80w, .... Also, how many quarts? Any special additives?
Example: Ok to use this?
https://shop.advanceautoparts.com/p/...lvoline+80w-90
Thanks in advance!
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1971 C10 127 in wheelbase
Model Number-CS10934
Body Type & Seating-Fleetside 8 ft.
Original Factory Price-$2,854
Shipping Weight-3,605 lbs
Total Production-206,313
Last edited by domano 68; 12-07-2019 at 12:25 PM.
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